PRIVATE void
ixEthAccCodeletLoopbackRxCB(UINT32 cbTag, IX_OSAL_MBUF** mBufPtr)
{
/* Transmit the buffer back on the port it was received on*/
if(cbTag < IX_ETHACC_CODELET_MAX_PORT )
{
while (NULL != *mBufPtr)
{
ixEthAccCodeletStats[cbTag].rxCount++;
/* transmit the frame on the same port */
if(ixEthAccPortTxFrameSubmit(cbTag,
*mBufPtr,
IX_ETH_ACC_TX_DEFAULT_PRIORITY)
!= IX_ETH_ACC_SUCCESS)
{
ixOsalLog(IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDOUT,
"Tx Buffer submission failure port %d\n",
cbTag, 0, 0, 0, 0, 0);
}
/* move to next buffer received */
mBufPtr++;
}
}
else
{
ixOsalLog(IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDOUT,
"Invalid Rx callback tag %d in Sw Loopback Operation\n",
cbTag, 0, 0, 0, 0, 0);
}
}
PRIVATE void ixEthAccCodeletSwBridgeQoSUntaggedToTaggedRxCB(UINT32 cbTag,
IX_OSAL_MBUF* mBufPtr,
UINT32 destPortId)
{
IxEthAccPortId thisPortId = (IxEthAccPortId)(cbTag & 0xffff);
IxEthAccPortId otherPortId = (IxEthAccPortId)(cbTag>>16);
IxEthAccTxPriority priority =
(IX_ETH_DB_GET_QOS_PRIORITY(IX_ETHACC_CODELET_VLANID_DEFAULT));
ixEthAccCodeletStats[thisPortId].rxCount++;
/* Set the VLAN information for this frame : the outgoing frame
* is tagged with the default tagging rules for this port
*/
IX_ETHACC_NE_FLAGS(mBufPtr) = IX_ETHACC_NE_VLANENABLEMASK;
IX_ETHACC_NE_VLANTCI(mBufPtr) = IX_ETHACC_CODELET_VLANID_DEFAULT;
/* Transmit the buffer on the other port */
if(ixEthAccPortTxFrameSubmit(otherPortId,
mBufPtr,
priority)
!=IX_ETH_ACC_SUCCESS)
{
ixOsalLog(IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDOUT,
"SwBridgeQos: Tx Buffer submission failed on port %u\n",
(UINT32)(1 - cbTag), 0, 0, 0, 0, 0);
}
}
/**
* @fn void ixEthAccCodeletTxGenTxCB()
*
* Transmit callback for TxGen operation. Transmitted frames are re-
* transmitted.
*
* @return void
*/
PRIVATE void
ixEthAccCodeletTxGenTxCB(UINT32 cbTag,
IX_OSAL_MBUF* mBufPtr)
{
ixEthAccCodeletStats[cbTag].txCount++;
/* Re-transmit the frame on same port */
if(ixEthAccPortTxFrameSubmit(cbTag, mBufPtr,
IX_ETH_ACC_TX_DEFAULT_PRIORITY) != IX_ETH_ACC_SUCCESS)
{
ixOsalLog(IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDOUT,
"Tx Buffer submission failure in TxGen-RxSink\n",
0, 0, 0, 0, 0, 0);
}
}
PRIVATE void ixEthAccCodeletSwBridgeQoSTaggedToUntaggedRxCB(UINT32 cbTag,
IX_OSAL_MBUF* mBufPtr,
UINT32 destPortId)
{
IxEthAccPortId thisPortId = (IxEthAccPortId)(cbTag & 0xffff);
IxEthAccPortId otherPortId = (IxEthAccPortId)(cbTag>>16);
/* Extract the priority of the incoming buffer header
*/
IxEthAccTxPriority priority =
(IX_ETH_DB_GET_QOS_PRIORITY(IX_ETHACC_NE_VLANTCI(mBufPtr)));
ixEthAccCodeletStats[thisPortId].rxCount++;
/* This frame is untagged on Rx, just clear the flags
* to bypass VLAN processing on the Tx path
*/
IX_ETHACC_NE_FLAGS(mBufPtr) = 0;
/* this while loop is what throttles the receive processing to keep the RxFree queue
* form becoming empty when we receive faster than transmitting
*/
while(pendingTx[otherPortId] >= IX_ETHACC_CODELET_QOS_BRIDGE_MAX_PENDING_TX)
{
ixEthTxFrameDoneQMCallback(0,0);
}
/* Transmit the buffer on the other port with its own priority
*/
if(ixEthAccPortTxFrameSubmit(otherPortId,
mBufPtr,
priority)
!=IX_ETH_ACC_SUCCESS)
{
ixOsalLog(IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDOUT,
"SwBridgeQos: Tx Buffer submission failed on port %u\n",
(UINT32)(1 - cbTag), 0, 0, 0, 0, 0);
}
/* incriment pendingTx */
pendingTx[otherPortId]++;
}
void ixEthAccCodeletBridgeRxCB(UINT32 cbTag,
IX_OSAL_MBUF* mBufPtr,
UINT32 destPortId)
{
IxEthAccPortId thisPortId = (IxEthAccPortId)(cbTag & 0xffff);
IxEthAccPortId otherPortId = (IxEthAccPortId)(cbTag>>16);
/* Transmit the buffer on the other port */
ixEthAccCodeletStats[thisPortId].rxCount++;
if(ixEthAccPortTxFrameSubmit(otherPortId,
mBufPtr,
IX_ETH_ACC_TX_DEFAULT_PRIORITY)
!=IX_ETH_ACC_SUCCESS)
{
ixOsalLog(IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDOUT,
"Tx Buffer submission failed on port 2\n",
0, 0, 0, 0, 0, 0);
}
}
/**
* @ingroup IxTimeSyncAccCodelet
*
* @fn ixTimeSyncAccCodeletPTPMsgTransmit ()
*
* @brief Transmit Sync message from master port and Delay_Req message
* from slave port every 2 seconds.
*
* @return void
*/
PRIVATE void
ixTimeSyncAccCodeletPTPMsgTransmit ()
{
IX_OSAL_MBUF *mBufPtr;
IxEthAccPortId portId = 0;
IxTimeSyncAcc1588PTPPort tsChannel;
IxTimeSyncAcc1588PTPMsgType txMsgType;
IxTimeSyncAcc1588PTPPortMode tsChannelMode;
/* clear PTP message transmission halt flag */
ixTimeSyncAccCodeletTxHalt = FALSE;
for (tsChannel = IX_TIMESYNCACC_NPE_A_1588PTP_PORT;
tsChannel < IX_TIMESYNCACC_CODELET_MAX_TS_CHANNELS;
tsChannel++)
{
portId = ixTimeSyncAccCodeletPortIdList[tsChannel];
tsChannelMode = ixTimeSyncAccCodeletConfigPtr->tsChannelMode[tsChannel];
txMsgType = ixTimeSyncAccCodeletPTPMsgTypeList[tsChannelMode];
/* build PTP message */
ixTimeSyncAccCodeletPTPMsgBuild (txMsgType);
if (IX_SUCCESS != ixTimeSyncAccCodeletPortConfigure (portId))
{
ixOsalLog (IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDERR, "ixTimeSyncAccCodeletPTPMsgTransmit: failed to configure port %d\n",
portId, 0, 0, 0, 0, 0);
/* terminate time sync codelet execution */
ixTimeSyncAccCodeletUninit ();
return;
}
if (IX_ETH_ACC_SUCCESS != ixEthAccPortEnable (portId))
{
ixOsalLog (IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDERR, "ixTimeSyncAccCodeletPTPMsgTransmit: failed to enable port %d\n",
portId, 0, 0, 0, 0, 0);
/* terminate time sync codelet execution */
ixTimeSyncAccCodeletUninit ();
return;
}
mBufPtr = ixTimeSyncAccCodeletGlobalMBuf[portId];
if (NULL == mBufPtr)
{
ixOsalLog (IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDERR, "ixTimeSyncAccCodeletPTPMsgTransmit: NULL mBuf pointer, port Id %d\n",
portId, 0, 0, 0, 0, 0);
/* terminate time sync codelet execution */
ixTimeSyncAccCodeletUninit ();
return;
}
/* copy PTP message data to mBuf's data buffer */
ixOsalMemCopy (IX_OSAL_MBUF_MDATA(mBufPtr),
ixTimeSyncAccCodeletPtpMsgData,
IX_TIMESYNCACC_CODELET_UDP_FRAME_LEN);
} /* end of for loop */
if (IX_SUCCESS != ixOsalSemaphoreInit (&ixTimeSyncAccCodeletSemId, IX_TIMESYNCACC_CODELET_MAX_TS_CHANNELS))
{
ixOsalLog (IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDERR, "ixTimeSyncAccCodeletPTPMsgTransmit: failed to create semaphore\n",
0, 0, 0, 0, 0, 0);
/* terminate time sync codelet execution */
ixTimeSyncAccCodeletUninit ();
return;
}
do
{
/* halt PTP message transmission */
if (TRUE == ixTimeSyncAccCodeletTxHalt)
{
ixOsalLog (IX_OSAL_LOG_LVL_USER, IX_OSAL_LOG_DEV_STDOUT, "ixTimeSyncAccCodeletPTPMsgTransmit: PTP message transmission was halted\n",
0, 0, 0, 0, 0, 0);
return;
}
/* sleep and wait for interval time to elapse before transmitting next PTP message */
ixOsalSleep (IX_TIMESYNCACC_CODELET_PTP_MSG_XMIT_INTERVAL);
for (portId = IX_ETH_PORT_1; portId <= IX_ETH_PORT_3; portId++)
{
if (IX_SUCCESS != ixOsalSemaphoreWait (&ixTimeSyncAccCodeletSemId, IX_TIMESYNCACC_CODELET_PTP_MSG_XMIT_INTERVAL))
{
ixOsalLog (IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDERR, "ixTimeSyncAccCodeletPTPMsgTransmit: PTP message transmission error at port %d\n",
portId, 0, 0, 0, 0, 0);
/* terminate time sync codelet execution */
ixTimeSyncAccCodeletUninit ();
return;
}
if (IX_ETH_ACC_SUCCESS != ixEthAccPortTxFrameSubmit (portId,
ixTimeSyncAccCodeletGlobalMBuf[portId],
IX_ETH_ACC_TX_DEFAULT_PRIORITY))
{
ixOsalLog (IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDERR, "ixTimeSyncAccCodeletPTPMsgTransmit: failed to transmit PTP message from port %d\n",
portId, 0, 0, 0, 0, 0);
/* terminate time sync codelet execution */
ixTimeSyncAccCodeletUninit ();
return;
}
} /* end of for loop */
} while (TRUE);
} /* end of ixTimeSyncAccCodeletPTPMsgTransmit function */
PRIVATE IX_STATUS
ixEthAccCodeletTxGenRxSinkStart(IxEthAccPortId portId)
{
IX_OSAL_MBUF *mBufPtr;
UINT32 numBufs;
IxEthDBStatus status;
/* port transmits as fast as possible and drops rx traffic */
if (ixEthAccCodeletPortConfigure(portId,
NULL,
ixEthAccCodeletRxSinkRxCB,
ixEthAccCodeletTxGenTxCB,
portId)
!= IX_ETH_ACC_SUCCESS)
{
printf("Loopbacks: Failed to start the Tx-Gen Rx-Sink Operation port %u\n",
(UINT32)portId);
return IX_FAIL;
}
/* Disable MAC learning and filtering at the port that sinks the frame.
With learning enabled at both ports, TxGenRxSink will report buffer underrun and overruns
as this mode generates a heavy load of MAC address migrations in the learning/filtering
database.
*/
status = ixEthDBFeatureEnable (portId, IX_ETH_DB_FILTERING, FALSE);
if (IX_ETH_DB_SUCCESS == status)
{
status = ixEthDBFeatureEnable (portId, IX_ETH_DB_LEARNING, FALSE);
}
if (IX_ETH_DB_SUCCESS == status)
{
printf("\nMAC learning & filtering are disabled at port %d\n", portId);
printf("This is to prohibit the MAC address from being migrated back and forth\n");
printf("between two connected ports in the learning/filtering database.\n\n");
}
else
{
printf("\nFailed to disable MAC learning & filtering at port %d.\n", portId);
printf("TxGenRxSink will report buffer underrun and overruns as this mode generates \n");
printf("a heavy load of MAC address migrations in the learning/filtering database. \n");
printf("With learning enabled at both ports, buffer underrun and overruns are expected.\n");
}
/* Generate our random data for the payload */
IX_ETHACC_CODELET_DATAGEN(compData);
/* Now start the loopback by transmitting the first few frames */
for (numBufs=0; numBufs<IX_ETHACC_CODELET_TXGEN_PCKS; numBufs++)
{
IX_ETHACC_CODELET_REMOVE_MBUF_FROM_Q_HEAD(ixEthAccCodeletFreeBufQ,
mBufPtr);
if (mBufPtr == NULL)
{
printf("Loopbacks: Buffer queue empty. Not enough free buffers to transmit in TxGen-RxSink Loopback!\n");
return (IX_FAIL);
}
IX_OSAL_MBUF_MLEN(mBufPtr) = IX_ETHACC_CODELET_TXGEN_PCK_LEN;
IX_OSAL_MBUF_PKT_LEN(mBufPtr) = IX_ETHACC_CODELET_TXGEN_PCK_LEN;
memcpy(IX_OSAL_MBUF_MDATA(mBufPtr),
&compData[0],
IX_ETHACC_CODELET_TXGEN_PCK_LEN);
IX_OSAL_CACHE_FLUSH(IX_OSAL_MBUF_MDATA(mBufPtr),
IX_OSAL_MBUF_MLEN(mBufPtr));
if(ixEthAccPortTxFrameSubmit(portId,
mBufPtr,
IX_ETH_ACC_TX_DEFAULT_PRIORITY)
!= IX_ETH_ACC_SUCCESS)
{
printf("Loopbacks: Error Submitting frame for transmission on port %u\n",
portId);
return (IX_FAIL);
}
}
printf("Port %d Tx pool has %d buffers\n", portId, numBufs);
/* enable traffic */
if(ixEthAccPortEnable(portId)
!= IX_ETH_ACC_SUCCESS)
{
printf("Loopbacks: Error Enabling port %u\n",
(UINT32)portId);
return (IX_FAIL);
}
return (IX_SUCCESS);
}